1 /* src/client/keybindings.c */
3 #include "keybindings.h"
4 #include <ncurses.h> /* keycode defines, cbreak(), halfdelay(), getch() */
5 #include <stddef.h> /* NULL */
6 #include <stdio.h> /* FILE, sprintf(), snprintf() */
7 #include <stdint.h> /* uint8_t, uint16_t, uint32_t */
8 #include <stdlib.h> /* free(), atoi() */
9 #include <string.h> /* strlen(), strchr(), strcmp() */
10 #include "../common/readwrite.h" /* textfile_sizes(), try_fgets(),try_fwrite()*/
11 #include "../common/try_malloc.h" /* try_malloc() */
12 #include "windows.h" /* draw_all_wins() */
13 #include "world.h" /* global world */
17 /* Return "n"-th keybinding in keybindings chain from "kb_p" on. */
18 static struct KeyBinding * get_keyb_of_n(struct KeyBinding * kb_p, uint16_t n);
20 /* Return number of keybindings in keybindings chain from "kb_p" on. */
21 static uint16_t get_n_of_keybs(struct KeyBinding * kb_p);
23 /* Return pointer to global keybindings or to keybindings for wingeometry config
24 * (c = "g") or winkeys config (c = "k") or active window's keybindings ("w").
26 static struct KeyBindingDB * char_selected_kb_db(char c);
28 /* If "keycode_given" equals "keycode_match", copy "keyname_match" to "keyname"
29 * and return 1; otherwise return 0.
31 static uint8_t try_keycode(uint16_t keycode_given, char * keyname,
32 uint16_t keycode_match, char * keyname_match);
36 static struct KeyBinding * get_keyb_of_n(struct KeyBinding * kb_p, uint16_t n)
53 static uint16_t get_n_of_keybs(struct KeyBinding * kb_p)
70 static struct KeyBindingDB * char_selected_kb_db(char c)
72 struct KeyBindingDB * kbd;
73 kbd = &world.kb_global;
76 kbd = &world.kb_wingeom;
80 kbd = &world.kb_winkeys;
84 struct Win * w = get_win_by_id(world.windb.active);
92 static uint8_t try_keycode(uint16_t keycode_given, char * keyname,
93 uint16_t keycode_match, char * keyname_match)
95 if (keycode_given == keycode_match)
97 sprintf(keyname, keyname_match);
105 extern struct Command * get_command_to_keycode(struct KeyBinding * kb_p,
110 if (key == kb_p->key)
112 return kb_p->command;
121 extern char * get_keyname_to_keycode(uint16_t keycode)
123 char * f_name = "get_name_to_keycode()";
124 char * keyname = try_malloc(15, f_name); /* FIXME: Why 15? */
125 if (32 < keycode && keycode < 127)
127 sprintf(keyname, "%c", keycode);
129 else if (keycode >= KEY_F0 && keycode <= KEY_F(63))
131 uint16_t f = keycode - KEY_F0;
132 sprintf(keyname, "F%d", f);
134 else if ( try_keycode(keycode, keyname, 9, "TAB")
135 || try_keycode(keycode, keyname, 10, "RETURN")
136 || try_keycode(keycode, keyname, 27, "ESCAPE")
137 || try_keycode(keycode, keyname, 32, "SPACE")
138 || try_keycode(keycode, keyname, KEY_UP, "UP")
139 || try_keycode(keycode, keyname, KEY_DOWN, "DOWN")
140 || try_keycode(keycode, keyname, KEY_LEFT, "LEFT")
141 || try_keycode(keycode, keyname, KEY_RIGHT, "RIGHT")
142 || try_keycode(keycode, keyname, KEY_HOME, "HOME")
143 || try_keycode(keycode, keyname, KEY_BACKSPACE, "BACKSPACE")
144 || try_keycode(keycode, keyname, KEY_DC, "DELETE")
145 || try_keycode(keycode, keyname, KEY_IC, "INSERT")
146 || try_keycode(keycode, keyname, KEY_NPAGE, "NEXT PAGE")
147 || try_keycode(keycode, keyname, KEY_PPAGE, "PREV PAGE")
148 || try_keycode(keycode, keyname, KEY_END, "END"))
154 sprintf(keyname, "(unknown)");
161 extern void write_keybindings_to_file(FILE * file, struct KeyBindingDB * kbd,
164 char * f_name = "write_keybindings_to_file()";
165 uint16_t linemax = 0;
166 struct KeyBinding * kb_p = kbd->kbs;
169 if (strlen(kb_p->command->dsc_short) > linemax)
171 linemax = strlen(kb_p->command->dsc_short);
175 linemax = linemax + 6; /* + 6 = + 3 digits + ' ' + '\n' + '\0' */
180 sprintf(line, "%d %s\n", kb_p->key, kb_p->command->dsc_short);
181 try_fwrite(line, sizeof(char), strlen(line), file, f_name);
184 try_fwrite(delim, strlen(delim), 1, file, f_name);
189 extern void read_keybindings_from_file(char * line, uint32_t linemax,
190 FILE * file, struct KeyBindingDB * kbd)
192 char * f_name = "read_keybindings_from_file()";
194 struct KeyBinding ** loc_last_ptr = &kbd->kbs;
196 while (try_fgets(line, linemax + 1, file, f_name))
198 if (!strcmp("%\n", line))
202 * loc_last_ptr = try_malloc(sizeof(struct KeyBinding), f_name);
203 struct KeyBinding * kb_p = * loc_last_ptr;
205 kb_p->key = atoi(line);
206 cmdptr = strchr(line, ' ') + 1;
207 cmdptr[strlen(cmdptr) - 1] = '\0';
208 kb_p->command = get_command(cmdptr);
209 loc_last_ptr = & kb_p->next;
217 extern void free_keybindings(struct KeyBinding * kb_start)
223 struct KeyBinding * kb_p = kb_start->next;
226 free_keybindings(kb_p);
233 extern void mod_selected_keyb(char kb_c)
235 struct KeyBindingDB * kbd = char_selected_kb_db(kb_c);
240 halfdelay(world.halfdelay);
243 struct KeyBinding * kb_p = get_keyb_of_n(kbd->kbs, kbd->select);
251 extern void move_keyb_selection(char kb_c, char dir)
253 struct KeyBindingDB * kbd = char_selected_kb_db(kb_c);
254 if ('u' == dir && kbd->select > 0)
258 else if ('d' == dir && kbd->select < get_n_of_keybs(kbd->kbs) - 1)